I never do anything whatever on the ground that it is good for health, though in actual fact the things I like doing are mostly wholesome. the ground that it is good for health老师对这句的结构不太了解，it是形式主语吗？为什么用it而不是直接是关系代词（that）+is...
请教一下各位老师，以下两个句子：I need a pen to write with.The chair looks rather hard, but in fact it is very comfortable to sit on.都是“名词+to+vi+介词”的形式，为什么一定要用介词？第一个to do是做目的状语吧？第二个是做方面状语？谢谢。
The drugs in question appeared to be effective only when administered during or shortly after a traumatic event. How then could we make, and make on the spot, the prospective judgment that a particular event is sufficiently terrible.老师好，句子里 we make, and make on the sp...
The admixture of lime or fly ash resulted in a gradual reduction of the maximum dry density indicative of the increased resistance offered by the flocculated structure to the compaction effort.请问这个句子中，indicative of 是什么用法啊？怎么直接接在一个完整的句子后...
In his latest book, Doing Our Own Thing: The Degradation of Language and Musci and Why We Should, Like, Care, John McWhorter, a linguist and controversialist of mixed liberal and conservative views, sees the triumph of 1960s counter-culture as responsible for the decline of formal English.此处的a...
On such a snowy day, I would go to work by bus rather than by driving my car, which, though comfortable, is more dangerous, — especially given my poor skills in driving.请问： though comfortable 是什么结构？ given在这里是什么意思？
It stopped raining for a while,but now it is raining again.I lost my wallet for 2 days,but I found it in the morning.请教老师这里的stop与lose为动态动词，也不是表示目的，为什么可以跟一段时间呢。
...年好。在韦氏词典里看到这样一个成语：feel/look like something the cat brought/dragged/drug in。按照该成语的写法，在这个成语里，brought, dragged, drug 三个动词应该是可以互换的，并且互换后意义相同。但是brought/dragged 在这里都是动词过...
We have collected
some surprising foods you never know you
could keep in the fridge.老师好！我在做阅读题时，读到上面一句话，感觉读不通，是不是句中的第二个you前面应该添加and，并且在keep后加个宾语them? 请教老师指点。谢谢老师！